$OpenBSD: patch-configure,v 1.3 2015/07/19 01:46:18 ajacoutot Exp $

Don't hardcode -O3

--- configure.orig	Thu Apr  2 10:13:57 2015
+++ configure	Sun Jul 19 03:37:43 2015
@@ -1780,7 +1780,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ac_config_headers="$ac_config_headers bgpdump-config.h"
 
 
-CFLAGS="-g -O3 $CFLAGS -Wall"
+CFLAGS="-g $CFLAGS -Wall"
 CFLAGS="$CFLAGS -Wsystem-headers -Wno-format-y2k -Wno-sign-compare -Wcast-align"
 CFLAGS="$CFLAGS -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wswitch -Wshadow"
 
